// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_POINTER_DRIVER_H_
#define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_POINTER_DRIVER_H_

#include <memory>

#include "base/macros.h"
#include "content/common/content_export.h"
#include "content/common/input/synthetic_gesture_params.h"
#include "content/common/input/synthetic_pointer_action_params.h"
#include "content/common/input/synthetic_web_input_event_builders.h"

namespace content {

class SyntheticGestureTarget;

class CONTENT_EXPORT SyntheticPointerDriver {
public:
    SyntheticPointerDriver();
    virtual ~SyntheticPointerDriver();

    static std::unique_ptr<SyntheticPointerDriver> Create(
        SyntheticGestureParams::GestureSourceType gesture_source_type);

    virtual void DispatchEvent(SyntheticGestureTarget* target,
        const base::TimeTicks& timestamp)
        = 0;

    virtual void Press(float x,
        float y,
        int index = 0,
        SyntheticPointerActionParams::Button button = SyntheticPointerActionParams::Button::LEFT)
        = 0;
    virtual void Move(float x, float y, int index = 0) = 0;
    virtual void Release(int index = 0,
        SyntheticPointerActionParams::Button button = SyntheticPointerActionParams::Button::LEFT)
        = 0;

    // Check if the user inputs in the SyntheticPointerActionParams can generate
    // a valid sequence of pointer actions.
    virtual bool UserInputCheck(
        const SyntheticPointerActionParams& params) const = 0;

protected:
    static double ConvertTimestampToSeconds(const base::TimeTicks& timestamp);

private:
    DISALLOW_COPY_AND_ASSIGN(SyntheticPointerDriver);
};

} // namespace content

#endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_POINTER_DRIVER_H_
